US2947189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed box transmission
Assignee: American Steel Foundries
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Filing: 1957-08-23
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Granted: 1960-08-02
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Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
- 👤 Foster Theodore
- 👤 Walter T Hake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:52
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H3/30; F16H3/32; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q5/34; B23Q5/348; B23Q2705/00; B23Q2705/10; B23Q2705/16; B23Q2705/165; B23Q2705/18; B23Q2705/182; B23Q2705/185; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19107; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/1933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |